Does anyone have a problem with the finer grits delaminating as with the Uxcell brands?

I have not had any problems yet.

do you make one that is coated on both sides?

Hello, only one side is coated diamond particles. The back of diamond grinding disk is a smooth and flat steel plate, and there are no diamond particles.

Can this be used for diamond? SiC? What is the roughness of the lap?

The roughness is 3000 grit... and it is diamond

I assume that they are made in China. I have 5 different grits that I use to smooth the edges of glass wine bottles that I cut. I put them on a wooden backer, mount them on my wood lathe, and use a spray bottle of water to keep them wet while I grind glass. This prevents over heating and having ground glass floating around my shop. A bucket catches the drips. They have worked very well and have lasted well.

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6" inch 150 mm Grit 3000 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics

6" inch 150 mm Grit 3000 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics

Product ID: 46289311

Details

Brand
JOINER
Compatible Devices
Angle Grinder
Grit Material
Diamond
Grit Type
Extra Fine
Product Dimensions
6"L x 6"W

💎3000 grit ultra-fine diamond coating

🔷6" (150mm) diameter for versatile use

⚙️1/2" arbor hole fits standard lapidary machines

3976 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Elevate your craft with the ultimate ultra-fine diamond grinding disc!

ULTRA FINE 3000 GRIT - Achieve mirror-smooth finishes on gemstones, glass, and ceramics
UNIVERSAL COMPATIBILITY - Fits most angle grinders & lapidary machines with 1/2" arbor hole
PRECISION PERFECT FLATNESS - Absolutely flat & parallel for flawless faceting every time
HIGH DENSITY DIAMOND COATING - 95% surface coverage ensures long-lasting, consistent grinding
ENGINEERED FOR PROFESSIONALS HOBBYISTS - Ideal for jewelry makers, rock collectors, and glass artists craving perfection

The JOINER 6" (150mm) Diamond Grinding Disc features a premium 3000 grit ultra-fine diamond coating on a perfectly flat 1mm thick steel plate. Designed for precision grinding of gemstones, glass, ceramics, and more, it fits standard 1/2" arbor lapidary machines and angle grinders. With 95% diamond surface coverage, this disc delivers exceptional durability and mirror-like finishes, making it a must-have for professionals and serious hobbyists alike.

Specifications

ASIN	B071JVRYH9
Best Sellers Rank	#108,427 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #217 in Grinding Discs
Brand Name	JOINER
Compatible Devices	Angle Grinder, Lapidary Machine
Compatible Material	Aluminum, Glass
Construction Type	Coated,grinding
Customer Reviews	4.2 4.2 out of 5 stars (139)
Grit Material Type	Diamond
Grit Number	3000
Grit Type	Extra Fine
Item Diameter	15 centimeters
Item Dimensions	6 x 6 x 0.04 inches
Item Dimensions L x W	6"L x 6"W
Item Thickness	1 millimeters
Manufacturer	JOINER
Material Type	Metal
Model	MP-YX152-3000
Number of Items	1
Part Number	708747500523
Recommended Uses For Product	Grinding
UPC	708747499193
Unit Count	1 Count

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